61352782963 has 4 divisors (see below), whose sum is σ = 61418825640. Its totient is φ = 61286740288.

The previous prime is 61352782957. The next prime is 61352782999. The reversal of 61352782963 is 36928725316.

61352782963 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61352782963 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61352782963.

It is not an unprimeable number, because it can be changed into a prime (61352782363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33019945 + ... + 33021802.

It is an arithmetic number, because the mean of its divisors is an integer number (15354706410).

Almost surely, 2^61352782963 is an apocalyptic number.

61352782963 is a deficient number, since it is larger than the sum of its proper divisors (66042677).

61352782963 is an equidigital number, since it uses as much as digits as its factorization.

61352782963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66042676.

The product of its digits is 3265920, while the sum is 52.

The spelling of 61352782963 in words is "sixty-one billion, three hundred fifty-two million, seven hundred eighty-two thousand, nine hundred sixty-three".